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                构造数组                </h1>
                <p>时间限制：20s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  空间限制：256MB</p>			</div>
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                                <h3>题目描述</h3><p><div style="text-indent: 21pt"><span style="font-size: 12pt">给出</span><span style="font-size: 12pt">3*n</span><span style="font-size: 12pt">个数</span><span style="font-size: 12pt">xi</span><span style="font-size: 12pt">，要求构造三个长度为</span><span style="font-size: 12pt">n</span><span style="font-size: 12pt">的序列</span><span style="font-size: 12pt">ai</span><span style="font-size: 12pt">，</span><span style="font-size: 12pt">bi</span><span style="font-size: 12pt">，</span><span style="font-size: 12pt">ci</span><span style="font-size: 12pt">，使得满足下列条件：</span></div>
<div style="text-indent: 21pt"><span style="font-size: 12pt">1</span><span style="font-size: 12pt">到</span><span style="font-size: 12pt">3*n</span><span style="font-size: 12pt">的每个数都在三个序列中的某个出现一次且仅一次；</span></div>
<div style="text-indent: 21pt"><span style="font-size: 12pt">S=sum((x[ai]-x[bi])*x[ci])</span><span style="font-size: 12pt">最大。</span></div>
<div style="text-indent: 21pt"><span style="font-size: 12pt">输出最大的</span><span style="font-size: 12pt">S</span><span style="font-size: 12pt">。</span></div>
<div style="text-indent: 21pt"><span style="font-size: 12pt">多组数据。</span></div></p><hr/><h3>输入格式</h3><p><div style="text-indent: 21pt"><span style="font-size: 10.5pt">第一行包含两个数</span><span style="font-size: 10.5pt">T</span><span style="font-size: 10.5pt">和</span><span style="font-size: 10.5pt">n</span><span style="font-size: 10.5pt">，</span><span style="font-size: 10.5pt">T</span><span style="font-size: 10.5pt">是数据组数，</span><span style="font-size: 10.5pt">n</span><span style="font-size: 10.5pt">如题目描述。</span></div>
<div style="text-indent: 21pt"><span style="font-size: 10.5pt">接下来</span><span style="font-size: 10.5pt">T</span><span style="font-size: 10.5pt">行，每行包含</span><span style="font-size: 10.5pt">3*n</span><span style="font-size: 10.5pt">个数，表示</span><span style="font-size: 10.5pt">xi</span><span style="font-size: 10.5pt">。</span></div>
<div style="text-indent: 21pt">&nbsp;</div></p><hr/><h3>输出格式</h3><p><div style="text-indent: 21pt"><span style="font-size: 10.5pt">输出包含</span><span style="font-size: 10.5pt">T</span><span style="font-size: 10.5pt">行，每行输出最大的</span><span style="font-size: 10.5pt">S</span><span style="font-size: 10.5pt">。</span></div>
<div style="text-indent: 21pt">&nbsp;</div></p><hr/><h3>样例输入</h3><pre>1 2
4 1 8 2 0 5

 
</pre><hr/><h3>样例输出</h3><pre>46
  
 </pre><hr/><h3>提示</h3><p><p><br />
Data Limit<br />
对于1&lt;=n&lt;=10，有不超过1000组数据；<br />
对于11&lt;=n&lt;=15，又不超过100组数据；<br />
对于16&lt;=n&lt;=20，有不超过10组数据；<br />
对于21&lt;=n&lt;=25，仅有1组数据。<br />
所有xi&lt;=1000。<br />
</p></p><hr/><h3>题目来源</h3><p>2011福建集训</p>
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